<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title></title>
    <style>
        div{
            width: 200px;
            height: 50px;
            border-right: 20px solid red;
            border-left: 20px solid red;
            background-clip: border-box;
            border-radius: 15px;

        }

    </style>
</head>
<body>
<div>
    <p></p>
</div>

</body>
</html>